diff --git a/relay-install.sh b/relay-install.sh
index c5607ac..883f9e2 100644
--- a/relay-install.sh
+++ b/relay-install.sh
@@ -1,26 +1,29 @@
 #!/bin/bash
-​
+
 set -e
-​
+
+# install dependencies
 yum install -y openssl11
-​
+yum install lsphp82-pecl-msgpack
+echo "extension = msgpack.so" > $(php-config --ini-dir)/50-msgpack.ini
+
 RELAY_PHP=$(php-config --version | cut -c -3)
 RELAY_INI_DIR=$(php-config --ini-dir)
 RELAY_EXT_DIR=$(php-config --extension-dir)
 RELAY_VERSION=$(curl -fs https://builds.r2.relay.so/meta/latest)
 RELAY_ARCH=$(arch | sed -e 's/arm64/aarch64/;s/amd64\|x86_64/x86-64/')
-​
+
 curl -L "https://builds.r2.relay.so/$RELAY_VERSION/relay-$RELAY_VERSION-php$RELAY_PHP-centos7-$RELAY_ARCH.tar.gz" | tar xz -C /tmp
-​
+
 # Copy relay.{so,ini}
 cp "/tmp/relay-$RELAY_VERSION-php$RELAY_PHP-centos7-$RELAY_ARCH/relay.ini" "$RELAY_INI_DIR/60-relay.ini"
 cp "/tmp/relay-$RELAY_VERSION-php$RELAY_PHP-centos7-$RELAY_ARCH/relay-pkg.so" "$RELAY_EXT_DIR/relay.so"
-​
+
 # Modify `relay.ini`
 sed -i 's/^;\? \?relay.maxmemory =.*/relay.maxmemory = 128M/' $RELAY_INI_DIR/relay.ini
 sed -i 's/^;\? \?relay.eviction_policy =.*/relay.eviction_policy = lru/' $RELAY_INI_DIR/relay.ini
 sed -i 's/^;\? \?relay.environment =.*/relay.environment = production/' $RELAY_INI_DIR/relay.ini
-# sed -i "s/^;\? \?relay.key =.*/relay.key = 1L0O-KF0R-W4RDT0-Y0URR3P-0RTMRBR-OCC0L1/" $RELAY_INI_DIR/relay.ini
-​
+sed -i "s/^;\? \?relay.key =.*/relay.key = SJR3-5IHD-CKMYLH-YJRQSY2-8443KZZ-V2LAS6/" $RELAY_INI_DIR/relay.ini
+
 ## Inject UUID
 sed -i "s/00000000-0000-0000-0000-000000000000/$(cat /proc/sys/kernel/random/uuid)/" "$RELAY_EXT_DIR/relay.so"
\ No newline at end of file